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The Keystone Gold-Copper District, Medicine Bow Mountains, Southeastern Wyoming
May 2002 by W. Dan Hausel
The Keystone district includes a group of mineralized shear zones and veins that are associated with the Keystone Quartz Diorite in the Medicine Bow Mountains of southwestern Wyoming. Gold production from this district is unknown, although some estimates suggest that 7,500 to more than 12,000 ounces were produced.Additional articles that might interest you...
Ask the Experts
September 2013
Recovering gold from pyrite ore
Recovering gold from pyrite ore
Wealth Beyond Your Wildest Imagination
September 2012
“Wealth beyond your wildest imagination.” Those were the words that were used to inform me of how much gold was in a paleo channel that exists beneath the present channel of the Similkameen River in the State of Washington; words that have echoed in my mind for the past sixteen years.
“Wealth beyond your wildest imagination.” Those were the words that were used to inform me of how much gold was in a paleo channel that exists beneath the present channel of the Similkameen River in the State of Washington; words that have echoed in my mind for the past sixteen years.
The Fire Assay of Fly Eyes
July 2002
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.
BLM Wants to Withdraw South Pass Public Land
December 1999
The Bureau of Land Management is proposing to close off nearly 5,000 acres of public land on South Pass for the next two years while a plan is developed for designating portions of Sweetwater River as wild and scenic.
The Bureau of Land Management is proposing to close off nearly 5,000 acres of public land on South Pass for the next two years while a plan is developed for designating portions of Sweetwater River as wild and scenic.
The Bawl Mill
February 2000
• A Perfect Way to Begin 2000...
• A New Way to Fill City Coffers...
• Americans Pay More...
• Mother always told you to wear clean underwear...
• A Perfect Way to Begin 2000...
• A New Way to Fill City Coffers...
• Americans Pay More...
• Mother always told you to wear clean underwear...
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• Aussie Gold—A Look at the Northern Territory
• The Phoenix Gold Mine: A Brief History
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